2 * Copyright (C) 2003-2008 Takahiro Hirofuchi
4 * This is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
11 #ifndef __USBIP_VHCI_H
12 #define __USBIP_VHCI_H
14 #include <linux/device.h>
15 #include <linux/list.h>
16 #include <linux/spinlock.h>
17 #include <linux/sysfs.h>
18 #include <linux/types.h>
19 #include <linux/usb.h>
20 #include <linux/usb/hcd.h>
21 #include <linux/wait.h>
24 struct usb_device
*udev
;
27 * devid specifies a remote usb device uniquely instead
28 * of combination of busnum and devnum.
32 /* speed of a remote device */
33 enum usb_device_speed speed
;
35 /* vhci root-hub port to which this device is attached */
38 struct usbip_device ud
;
40 /* lock for the below link lists */
43 /* vhci_priv is linked to one of them. */
44 struct list_head priv_tx
;
45 struct list_head priv_rx
;
47 /* vhci_unlink is linked to one of them */
48 struct list_head unlink_tx
;
49 struct list_head unlink_rx
;
51 /* vhci_tx thread sleeps for this queue */
52 wait_queue_head_t waitq_tx
;
55 /* urb->hcpriv, use container_of() */
58 struct list_head list
;
60 struct vhci_device
*vdev
;
65 /* seqnum of this request */
68 struct list_head list
;
70 /* seqnum of the unlink target */
71 unsigned long unlink_seqnum
;
74 /* Number of supported ports. Value has an upperbound of USB_MAXCHILDREN */
77 /* for usb_bus.hcpriv */
81 u32 port_status
[VHCI_NPORTS
];
84 unsigned long re_timeout
;
90 * wIndex shows the port number and begins from 1.
91 * But, the index of this array begins from 0.
93 struct vhci_device vdev
[VHCI_NPORTS
];
96 extern struct vhci_hcd
*the_controller
;
97 extern const struct attribute_group dev_attr_group
;
98 #define hardware (&the_controller->pdev.dev)
101 void rh_port_connect(int rhport
, enum usb_device_speed speed
);
104 struct urb
*pickup_urb_and_free_priv(struct vhci_device
*vdev
, __u32 seqnum
);
105 int vhci_rx_loop(void *data
);
108 int vhci_tx_loop(void *data
);
110 static inline struct vhci_device
*port_to_vdev(__u32 port
)
112 return &the_controller
->vdev
[port
];
115 static inline struct vhci_hcd
*hcd_to_vhci(struct usb_hcd
*hcd
)
117 return (struct vhci_hcd
*) (hcd
->hcd_priv
);
120 static inline struct usb_hcd
*vhci_to_hcd(struct vhci_hcd
*vhci
)
122 return container_of((void *) vhci
, struct usb_hcd
, hcd_priv
);
125 static inline struct device
*vhci_dev(struct vhci_hcd
*vhci
)
127 return vhci_to_hcd(vhci
)->self
.controller
;
130 #endif /* __USBIP_VHCI_H */